Home / 327,904.40-491,856.60-310,797.20

Finding the Fourth Proportional to 327,904.40, 491,856.60 and 310,797.20

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Solution

The fourth proportional to 327,904.40, 491,856.60 and 310,797.20 is: 466,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,904.40 : 491,856.60 = 310,797.20 : x
  2. Step 2: Convert to fraction form
    327,904.40/491,856.60 = 310,797.20/x
  3. Step 3: Cross multiply
    327,904.40x = 491,856.60 × 310,797.20
  4. Step 4: Simplify right side
    327,904.40x = 152,867,654,081.52
  5. Step 5: Solve for x
    x = 152,867,654,081.52/327,904.40
  6. Step 6: Final answer
    x = 466,195.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.